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So, what is big data again?

One of the hottest topics around nowadays is big data; everyone seems to talk about the huge amounts of data (Volume) produced from various sources and types and formats of data (both structured and unstructured) (Variety) and through a fast pace at which data flows in from sources like business processes, machines, networks and human interaction with things like social media sites, mobile devices, etc. (Velocity). These are the Three V’s of Big Data; the fourth being the Veracity, which refers to the biases, noise and abnormality in data.